For a formal style you should pair the jacket with a traditional white dress shirt or a modern one. The traditional dress shirts come with stud buttons and holes for cuff links. For a modern look it is mostly recommended to go with a formal French cuff dresses hurt that comes with hidden buttons. The dress shirt that you can choose also depends on the type of the navy blue that you are going with. For example if you are going with peak lapel navy blue tuxedo jacket then it is best to go with traditional dress shirts since the peak lapelled jacket is a formal style. If you are going with shawl collar jacket then you can pair it with a modern dress shirt. The shawl collar tuxedos are considered to be less formal than the peak lapel ones but are preferred for dressy events like weddings and award events.
The type of the navy blue tuxedo jacket also matters for the look that you are going for. If you are thinking of using it only as a formal garment then you can go with double breasted navy blue tuxedo jacket. These jackets have a formal air about them that can make you look sophisticated instantly. On the contrary if you want a versatile garment that you can style as both formal and casual wear you should go with single breasted navy blue tux jacket.

Most formal styling recommends you to go with 3 piece navy blue tuxs look. The vested navy blue tuxed look can make you look dressy even if you lose the jacket at some point of the event. For a more casual option you can go with 2 piece navy blue tuxed look. For the two piece look you should keep it simple. Go for a plain shirt that can showcase the long tie that you are sporting with the outfit. A printed long tie can make you look trendy and casual. You can pair the outfit with some velvet slippers.

For a smart casual look it is important to focus on dressing down the navy blue tuxed jacket. The casual look that you are going with the formal garment like tuxedo jacket will create a contrasting look that will definitely grab the attention of the observer. For this you can pair the navy blue tuxedo jacket with denim. The denim that you pair with the tuxedo jacket should be slim cut, dark wash and well fitting to conform to the formality of the tuxedo jacket. Dark indigo jeans with black lapel navy blue jacket and black shirt can be a good choice for a laid back yet formal look.

Navy blue tuxedos for men can serve any formal events given they are appropriate for it. If you are going for a strict black tie event then these aren't going to work. Therefore it is important that you consider the event before you select the color of the tuxedo. If the event is in any way semi formal or casual then the navy blue tuxedos for men will definitely work as like the black tuxedos sometimes even better than that. royal blue tuxedos especially are great for weddings especially for the ones that are held in summer since they look great under natural light and gives a light twist when compared to the black tuxedos . It is a good choice for groom since it will make the man stand out from the guest and groomsmen who will mostly appear in black tuxedos. For a more distinct look you can go with velvet navy blue tuxedos for men which gives you a sophisticated look.

The next thing that you will have to consider is the color of the shirt that you are going to pair with the navy blue for men. The classic option is always to go with a crisp white shirt with a wing collar. Since you are wearing this ensemble for a formal event then it is a must to have French cuffs. Even if the collars of your shirt is non descript then you can add details like studs instead of buttons to make them look more formal.